package com.sell.dao;

import com.sell.entity.ProductInfo;
import com.sun.tools.javac.util.List;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

/**
 * Created by caiqibin on 18/3/23.
 */
@Mapper
public interface TestMapper {

    @Select("select * from  product_info where product_id = #{productId}")
    public List<ProductInfo> findById(String param);

}
